Grade 9 Math

Choose a skill and start practicing at your own pace.

62 skills

Algebraic expressions

  1. Algebraic expressions and calculations (mixed practice)
  2. Calculating with formulas (mixed practice)
  3. Operations with monomials
  4. Operations with polynomials

Area and measurement

  1. Areas of parallelograms, triangles, and trapezoids

Circle geometry

  1. Inscribed and central angles

Coordinate geometry

  1. Find the centre and radius of a circle

Data and graphs

  1. Find a missing percentage in a pie chart
  2. Find a percentage from a sector angle
  3. Find a percentage from quantities in a pie chart
  4. Find a quantity from a percentage in a pie chart
  5. Find a quantity from a sector angle
  6. Find a sector angle from a percentage
  7. Find a sector angle from quantities
  8. Find the total from a pie chart
  9. Read bar graphs

Equations

  1. Linear, quadratic and rational equations (mixed practice)
  2. Solve rational equations
  3. Solve word problems using equations
  4. Solve word problems using systems of equations

Equations and inequalities

  1. Equations, inequalities and systems (extended practice)

Exponents

  1. Divide powers
  2. Multiply powers
  3. Raise a power to a power
  4. Zero and negative exponents

Fractions and decimals

  1. Operations with fractions and decimals (mixed practice)

Functions and graphs

  1. Graphs of functions (mixed practice)

Geometry

  1. Circles and disks (mixed practice)
  2. Evaluating geometric statements (mixed practice)
  3. Figures on squared paper (mixed practice)
  4. Geometric figures (mixed practice)
  5. Polygons and their elements (mixed practice)

Inequalities

  1. Numerical inequalities
  2. Numerical inequalities and the number line (mixed practice)

Linear functions and graphs

  1. Plotting graphs of linear functions

Lines and angles

  1. Angles with parallel lines

Percents

  1. Find a percentage of a number
  2. Find the whole from a percentage
  3. Find what percent one number is of another

Polynomials

  1. Difference of squares
  2. Square a sum or difference
  3. Sum and difference of cubes

Powers and roots

  1. Square roots of fractions
  2. Square roots up to 10000
  3. Square roots up to 400
  4. Square roots up to 900

Probability and statistics

  1. Counting and combinations
  2. Probability and statistics (mixed practice)

Quadratic equations

  1. Quadratic equations

Quadratic functions and graphs

  1. Graph parabolas

Rational expressions

  1. Add and subtract rational expressions
  2. Multiply and divide rational expressions
  3. Simplify rational expressions

Right triangles and the Pythagorean theorem

  1. Pythagorean Theorem

Sequences

  1. Sequences and progressions (mixed practice)

Similarity and scale

  1. Similar triangles

Triangles and congruence

  1. Angle sum of a triangle
  2. Medians, angle bisectors, and altitudes
  3. Triangle congruence

Trigonometry

  1. Sine, cosine, and tangent of acute angles

Vectors

  1. Vector coordinates

Word problems

  1. Word problems (extended practice)